Question

Find the sum of the first seven terms of the sequence 4, 12, 36, 108, … .

Answer 1

any one please help???

Answer 2

Have you read geometric progressions yet ???

Answer 3

no

Answer 4

1,456
1,457
4,372
4,374

Answer 5

can you list out the first 7 terms of the series ??

Answer 6

it only gives me 4

Answer 7

4,12,36,108

Answer 8

look at the series...
12/4 = 3
36/12 = 3
108/36 = 3

this kind of sequence is called a geometric progression with first term "a"=4 and common ratio "r"=3

Answer 9

ahh
so i would multiply to find the rest?

Answer 10

yup...

Answer 11

sweet thanks!!!!

Answer 12

you are welcome